.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  font-family: Arial, sans-serif;
}

h1 {
  text-align: center;
  color: #333;
}

.tabs {
  display: flex;
  margin-bottom: 20px;
  border-bottom: 1px solid #ddd;
}

.tabs button {
  padding: 10px 20px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: #666;
}

.tabs button:hover {
  color: #333;
}

.tabs button.active {
  color: #2196F3;
  border-bottom: 2px solid #2196F3;
}

.tabs button:disabled {
  color: #ccc;
  cursor: not-allowed;
}

.tab-content {
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 4px;
  min-height: 400px;
}

/* Common styles for all components */
.card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 20px;
  margin-bottom: 20px;
}

.card h2 {
  margin-top: 0;
  color: #333;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.form-group input, 
.form-group select {
  width: 100%;
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

.button {
  background-color: #2196F3;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
}

.button:hover {
  background-color: #0b7dda;
}

.button:disabled {
  background-color: #cccccc;
  cursor: not-allowed;
}

.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 8px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

th {
  background-color: #f2f2f2;
}

.chart-container {
  height: 300px;
  margin-top: 20px;
}